W107Ni Low Temperature Steel Electrode

W107Ni Low Temperature Steel Electrode

W107Ni
GB：
AWS：
Current：Used for welding steel structures like 06AlNbCuN, 06MnNb and 3.5Ni.

W107Ni


Introduction: W107Ni is a kind of low temdperature steel electrode containing Ni with low-hydrogen natrium type coating. DCRP (Direct Current Reversed Polarity). All-position welding. Due to the 5% Ni in the weld, the weld metal has excellent tempering stability.


Uses: Used for welding steel structures like 06AlNbCuN, 06MnNb and 3.5Ni.


Chemical Composition of Deposited Metal (%)
Chemical Composition
C
Mn
Si
S
P
Cu
Ni
Mo
Guarantee Value
≤0.08
≈0.50
≤0.30
≤0.020
≤0.020
≈0.50
4.00~5.50
≈0.30

Mechanical Properties of Deposited Metal
Test Item
Rm(MPa)
ReL或Rp0.2(Mpa)
A(%)
KV2(J)
Guarantee Value
≥490
≥390
≥16
≥27(-100℃)

Diffusible Hydrogen Content in Deposited Metal: ≤4.0ml/100g(Glycerine Hydrogen Test)

X-ray Radiographic Inspection: ⅠDegree

Reference Current (DC+)
Electrode Diameter(mm)
φ2.0
φ2.5
φ3.2
φ4.0
φ5.0
Welding Current (A)
40~70
60~90
100~130
150~180
170~210

Instructions:
1.The electrodes must be baked under about 350℃ for an hour before welding, and used as soon as baking is completed.
2.When welding, middle and little criteria had better be adopted, as well as multi-layer and multi-pass welding, and the layer temperature should be controlled below 200℃.

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